Perennial, usually from a branched caudex, otherwise similar to H. floribunda. Stems erect, usually simple, 30–80 cm. Herbage hirsute, strigose. Leaves 4–25 cm long. Flowers: calyx 1–1.5 mm long; corolla ca. 2 mm long, 6–9 mm across the limb, blue with yellow or white fornices. Nutlet body 3–5 mm long; marginal prickles distinct; dorsal face with 4 to 8 smaller prickles (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).